511051226135156 has 12 divisors (see below), whose sum is σ = 1022102452270368. Its totient is φ = 219021954057912.

The previous prime is 511051226135119. The next prime is 511051226135213. The reversal of 511051226135156 is 651531622150115.

511051226135156 is an admirable number.

It is a super-2 number, since 2×511051226135156² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9125914752386 + ... + 9125914752441.

It is an arithmetic number, because the mean of its divisors is an integer number (85175204355864).

Almost surely, 2^{511051226135156} is an apocalyptic number.

It is an amenable number.

511051226135156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511051226135156 is a wasteful number, since it uses less digits than its factorization.

511051226135156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18251829504838 (or 18251829504836 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 44.

The spelling of 511051226135156 in words is "five hundred eleven trillion, fifty-one billion, two hundred twenty-six million, one hundred thirty-five thousand, one hundred fifty-six".